Mosquito season in Lake and Peninsula Borough, AK: when it starts and ends
Mosquito months in Lake and Peninsula Borough
In a normal year mosquito season in Lake and Peninsula Borough, AK starts around June 15 and ends around August 31, about 11 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Lake and Peninsula Borough, and when
- Start tipping out standing water weekly by June 1.
- Book any yard treatment for mid June, ahead of the July peak.
- Repellent can go away after August 31.
- No West Nile cases since 2016, so bites in Lake and Peninsula Borough are a nuisance; check window screens.
Lake and Peninsula Borough against the rest of AK
Lake and Peninsula Borough has the 22nd longest season of 26 AK counties, at 77 days against 142 in Ketchikan Gateway Borough and 48 in Nome Census Area. Its mean temperature is 35.4°F.
- Anchorage Municipality: June 7 to August 28 (82 days, 1 WNV)
- Copper River Census Area: June 4 to August 23 (80 days, 0 WNV)
- Denali Borough: June 6 to August 18 (73 days, 0 WNV)
- Aleutians East Borough: July 5 to September 4 (61 days, 0 WNV)
West Nile in Lake and Peninsula Borough
CDC ArboNET lists no human West Nile cases for Lake and Peninsula Borough from 1999 to 2025.
See how the dates are worked out, and when the season starts across the US.